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The effect of the addition of TiO_2 nanoparticles to coal-water fuel on its thermophysical properties and combustion parameters

机译:将TiO_2纳米颗粒加入其热物理性能和燃烧参数的燃料燃料的效果

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摘要

Coal-water fuel is a promising substitution of conventional fossil fuels for the countries, where clean energy sources like wind, solar, etc. cannot cover energy demand. However, this fuel has a lot of specifics for preparation, transportation, and combustion. Issues with coal-water fuel combustion can be solved with the use of fuel activation. The catalytic activation of the coal-water fuel produced from coal of different metamorphic stages with the help of titanium dioxide nanoparticles was experimentally studied. The research suggests that the addition of the titanium dioxide nanoparticles in 0.5-4% wt. increases the coal-water fuel thermal conductivity by 9-17% while the value of heat capacity decreases by 12-23%. Also, this addition decreases time delay before fuel ignition by 20-22% and a total time of the fuel droplet burning by 15%; increases maximum temperature of the volatiles combustion by 8-10%; and increases combustion completeness as well. For the first time, the optimal value of the nanoparticles additive content has been found.
机译:煤水燃料是对国家的常规化石燃料的有望替代,其中清洁能源如风,太阳能等,不能涵盖能源需求。然而,这种燃料具有许多准备,运输和燃烧的细节。利用燃料活化可以解决煤水燃料燃烧的问题。实验研究了不同变质阶段的煤炭产生的煤水燃料的催化活化。实验研究了不同的二氧化钛纳米粒子。该研究表明,在0.5-4%wt中加入二氧化钛纳米颗粒。将煤水燃料导热率提高9-17%,而热容量的值降低12-23%。此外,该添加将燃料点火前的时间延迟降低20-22%,燃料液滴的总时间燃烧15%;将挥发性燃烧的最高温度提高8-10%;并增加燃烧完整性。首次,已发现纳米颗粒添加剂含量的最佳值。

著录项

  • 来源
    《Fuel》 |2020年第may1期|117220.1-117220.9|共9页
  • 作者

    Pinchuk V. A.; Kuzmin A. V;

  • 作者单位

    Natl Met Acad Ukraine Gagarin Ave 4 UA-49600 Dnepropetrovsk Ukraine;

    NAS Ukraine Inst Engn Thermal Phys Zhelyabova Str 2a UA-03057 Kiev Ukraine;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Coal; Coal-water fuel; Combustion; Ignition; Nano-activator; Titanium dioxide;

    机译:煤;煤水燃料;燃烧;点火;纳米活化剂;二氧化钛;

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